Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230824-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230824-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-08-2023 04:01

General

  • Target

    WPS_Installer_.exe

  • Size

    4.1MB

  • MD5

    6e2cde27cf0f6d43d92687a13aef3980

  • SHA1

    c35a49b96c283ed47e1d80153b76dffc5d296286

  • SHA256

    fd6eb81590d22d47002590865955daa2ed559be1e9805099c59f5cb74a788c58

  • SHA512

    3a735cd61335547a11d6290ad34f3be7c012f6020dc991ccfd733e46e747ac36649a07b5cbfbf9fadf7d357adb93d2520de46fe3193e8df27645121011d55f22

  • SSDEEP

    98304:QSBIC1oZLORr1CjckI7d3bajae4Q+65q49HwWkFoLE3L:5CfONJTOuFQq45WKL6

Malware Config

Signatures

  • Detect PurpleFox Rootkit 1 IoCs

    Detect PurpleFox Rootkit.

  • Gh0st RAT payload 1 IoCs
  • Gh0strat

    Gh0st RAT is a remote access tool (RAT) with its source code public and it has been used by multiple Chinese groups.

  • PurpleFox

    PurpleFox is an exploit kit used to distribute other malware families and first seen in 2018.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 20 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • NSIS installer 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\WPS_Installer_.exe
    "C:\Users\Admin\AppData\Local\Temp\WPS_Installer_.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:208
    • C:\Users\Admin\AppData\Local\Temp\dahaima\WPS_Installer.exe
      "C:\Users\Admin\AppData\Local\Temp\dahaima\WPS_Installer.exe"
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4168
      • C:\Users\Admin\AppData\Roaming\kingsoft\wps_download\0826566ea04e78d5fbd36e7758186961\setup_12012.2019_11.1.0.15313.exe
        "C:\Users\Admin\AppData\Roaming\kingsoft\wps_download\0826566ea04e78d5fbd36e7758186961\setup_12012.2019_11.1.0.15313.exe" -s -agreelicense -from=onlinestore -compatiblemso -createIcons -defaultOpen -defaultOpenPdf -defopenepubebook -defopenpic -curlangofinstalledproduct=zh_CN -D="C:\Users\Admin\AppData\Local\Kingsoft\WPS Office"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3344
        • C:\ProgramData\kingsoft\20230825_40345\setup_12012.2019_11.1.0.15313.exe
          "C:\ProgramData\kingsoft\20230825_40345\setup_12012.2019_11.1.0.15313.exe" -s -agreelicense -from=onlinestore -compatiblemso -createIcons -defaultOpen -defaultOpenPdf -defopenepubebook -defopenpic -curlangofinstalledproduct=zh_CN -D="C:\Users\Admin\AppData\Local\Kingsoft\WPS Office"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:208
    • C:\Users\Admin\AppData\Local\Temp\dahaima\dahai.exe
      "C:\Users\Admin\AppData\Local\Temp\dahaima\dahai.exe"
      2⤵
      • Executes dropped EXE
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:3172

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\kingsoft\20230825_40345\oem.ini

    Filesize

    364B

    MD5

    99b06f687b0c22a5a86b814eb7d08a06

    SHA1

    77481bf1dfaef42d6fc0ae5e83aa6b08c11b555b

    SHA256

    e000f375b905a6a71943360b44f20f295d86a77371ff58e6fe1a2e7a75091ea3

    SHA512

    8107463cabfa4cf9beb7d38b3ac29d281c689b9da0d069799ec5554cace51863e0885add510032c05e99a62cdf26bbe4bf2b2b6b6767c925691ec76ba806ef05

  • C:\ProgramData\kingsoft\20230825_40345\oem.ini

    Filesize

    364B

    MD5

    99b06f687b0c22a5a86b814eb7d08a06

    SHA1

    77481bf1dfaef42d6fc0ae5e83aa6b08c11b555b

    SHA256

    e000f375b905a6a71943360b44f20f295d86a77371ff58e6fe1a2e7a75091ea3

    SHA512

    8107463cabfa4cf9beb7d38b3ac29d281c689b9da0d069799ec5554cace51863e0885add510032c05e99a62cdf26bbe4bf2b2b6b6767c925691ec76ba806ef05

  • C:\ProgramData\kingsoft\20230825_40345\setup_12012.2019_11.1.0.15313.exe

    Filesize

    23.9MB

    MD5

    a215f4fe35aec89a5a20185777cdda2b

    SHA1

    c080d12f05143e6f1387820a6d3b60a9b513cf4e

    SHA256

    c30aa0ed42b393d57f690a6353718365f605976d5c7f585791fe8494407a6c0c

    SHA512

    93b4165da9a1e2f2362a102e7a3a58933f641d07092502b120a731015881fe912fb3695c6ae4bf0b8472cbdf050e50941d56f0741f28b4049d4e9092ce1a71ef

  • C:\ProgramData\kingsoft\20230825_40345\setup_12012.2019_11.1.0.15313.exe

    Filesize

    22.7MB

    MD5

    7a00998410df10504b9a4617ba2c6ba3

    SHA1

    978160db7b78d07fe29bcfc093785c78473efa13

    SHA256

    627f75fb85e99d4415936c06bb46c59a48a699314d482eb0543f7324385fe12e

    SHA512

    2c9de711dcb8b2a0edfdc54c45f589ab6ffa25102af650cca38f5ddd4f511b78fe3b7b49a9fd00e7923a39735a27b2442b3621769f3913ae537354d79e1df8ec

  • C:\Users\Admin\AppData\Local\Temp\autFBD6.tmp

    Filesize

    2.9MB

    MD5

    b52ba2b99108c496389ae5bb81fa6537

    SHA1

    9073d8c4a1968be24357862015519f2afecd833a

    SHA256

    c6ac7d9add40b913112b265d4f366d9ef80bbd711049db085fc750fcad4e14d8

    SHA512

    6637506ee80d359e729e0011b97e8d827e14356393193247f502b7fcfbbca249dc045b8acfe4b31ce462468f421dc5d9a4e31183bedb66c45a9aa43c01f81397

  • C:\Users\Admin\AppData\Local\Temp\dahaima\WPS_Installer.exe

    Filesize

    2.9MB

    MD5

    b52ba2b99108c496389ae5bb81fa6537

    SHA1

    9073d8c4a1968be24357862015519f2afecd833a

    SHA256

    c6ac7d9add40b913112b265d4f366d9ef80bbd711049db085fc750fcad4e14d8

    SHA512

    6637506ee80d359e729e0011b97e8d827e14356393193247f502b7fcfbbca249dc045b8acfe4b31ce462468f421dc5d9a4e31183bedb66c45a9aa43c01f81397

  • C:\Users\Admin\AppData\Local\Temp\dahaima\WPS_Installer.exe

    Filesize

    2.9MB

    MD5

    b52ba2b99108c496389ae5bb81fa6537

    SHA1

    9073d8c4a1968be24357862015519f2afecd833a

    SHA256

    c6ac7d9add40b913112b265d4f366d9ef80bbd711049db085fc750fcad4e14d8

    SHA512

    6637506ee80d359e729e0011b97e8d827e14356393193247f502b7fcfbbca249dc045b8acfe4b31ce462468f421dc5d9a4e31183bedb66c45a9aa43c01f81397

  • C:\Users\Admin\AppData\Local\Temp\dahaima\dahai.exe

    Filesize

    1.6MB

    MD5

    174895d7e1a751397f161a785fb1b355

    SHA1

    27a56118d233adc9adcaaad95bedb0c8862c5277

    SHA256

    2609445b23bf24267c6c5b597d78a8cfedecde62fb5c567436829ecbce95d743

    SHA512

    2e9d5b7d247c9c2b3c38c4aecad08e217e2de7e3042c3eb67fb40e49c87c1709eeaec93119bbf4ea17464a75e8d1191795afbedc4f6bb62418a7619489df4d75

  • C:\Users\Admin\AppData\Local\Temp\dahaima\dahai.exe

    Filesize

    1.6MB

    MD5

    174895d7e1a751397f161a785fb1b355

    SHA1

    27a56118d233adc9adcaaad95bedb0c8862c5277

    SHA256

    2609445b23bf24267c6c5b597d78a8cfedecde62fb5c567436829ecbce95d743

    SHA512

    2e9d5b7d247c9c2b3c38c4aecad08e217e2de7e3042c3eb67fb40e49c87c1709eeaec93119bbf4ea17464a75e8d1191795afbedc4f6bb62418a7619489df4d75

  • C:\Users\Admin\AppData\Local\Temp\nsn7C8A.tmp\AccessControl.dll

    Filesize

    13KB

    MD5

    28c87a09fdb49060aa4ab558a2832109

    SHA1

    9213a24964cd479eac91d01ad54190f9c11d0c75

    SHA256

    933cadcd3a463484bbb3c45077afda0edbb539dfbe988efad79a88cae63bf95f

    SHA512

    413b3afe5a3b139a199f2a6954edc055eee3b312c3dffd568cfdbe1f740f07a7c27fbf7b2a0b6e3c3dd6ee358ce96cc1ca821883f055bf63ddebda854384700d

  • C:\Users\Admin\AppData\Local\Temp\nsn7C8A.tmp\AccessControl.dll

    Filesize

    13KB

    MD5

    28c87a09fdb49060aa4ab558a2832109

    SHA1

    9213a24964cd479eac91d01ad54190f9c11d0c75

    SHA256

    933cadcd3a463484bbb3c45077afda0edbb539dfbe988efad79a88cae63bf95f

    SHA512

    413b3afe5a3b139a199f2a6954edc055eee3b312c3dffd568cfdbe1f740f07a7c27fbf7b2a0b6e3c3dd6ee358ce96cc1ca821883f055bf63ddebda854384700d

  • C:\Users\Admin\AppData\Local\Temp\nsn7C8A.tmp\AccessControl.dll

    Filesize

    13KB

    MD5

    28c87a09fdb49060aa4ab558a2832109

    SHA1

    9213a24964cd479eac91d01ad54190f9c11d0c75

    SHA256

    933cadcd3a463484bbb3c45077afda0edbb539dfbe988efad79a88cae63bf95f

    SHA512

    413b3afe5a3b139a199f2a6954edc055eee3b312c3dffd568cfdbe1f740f07a7c27fbf7b2a0b6e3c3dd6ee358ce96cc1ca821883f055bf63ddebda854384700d

  • C:\Users\Admin\AppData\Local\Temp\nsn7C8A.tmp\System.dll

    Filesize

    11KB

    MD5

    0063d48afe5a0cdc02833145667b6641

    SHA1

    e7eb614805d183ecb1127c62decb1a6be1b4f7a8

    SHA256

    ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7

    SHA512

    71cbbcaeb345e09306e368717ea0503fe8df485be2e95200febc61bcd8ba74fb4211cd263c232f148c0123f6c6f2e3fd4ea20bdecc4070f5208c35c6920240f0

  • C:\Users\Admin\AppData\Local\Temp\nsn7C8A.tmp\v6svc_oem.dll

    Filesize

    192KB

    MD5

    500318167948bdd3ad42a40721e1a72b

    SHA1

    24134691693e6d78d6eb0a0c64833c12a0090968

    SHA256

    d3378ee739debcaee8c715963403d96bf025db98bfbb55e54635429890db85c6

    SHA512

    0a2d3b55528cc53cfce5b47158997300c562afd2c7bb5596532b218d3f482380887ee7c204b13d42425dc0c4cc439a7f9ed167f3767bda7b6e205e7e8f454863

  • C:\Users\Admin\AppData\Local\Temp\nsn7C8A.tmp\v6svc_oem.dll

    Filesize

    192KB

    MD5

    500318167948bdd3ad42a40721e1a72b

    SHA1

    24134691693e6d78d6eb0a0c64833c12a0090968

    SHA256

    d3378ee739debcaee8c715963403d96bf025db98bfbb55e54635429890db85c6

    SHA512

    0a2d3b55528cc53cfce5b47158997300c562afd2c7bb5596532b218d3f482380887ee7c204b13d42425dc0c4cc439a7f9ed167f3767bda7b6e205e7e8f454863

  • C:\Users\Admin\AppData\Roaming\kingsoft\wps_download\0826566ea04e78d5fbd36e7758186961\seg\0

    Filesize

    30.0MB

    MD5

    1b63582b871fd3341c8964c426a81c75

    SHA1

    89be332d3f651fcb6ebeabfcca67fd2134ce38a1

    SHA256

    d10b6171ae550b0669fc270402bdc71c46e4c5679275e421d4ce1bf3eed1552d

    SHA512

    ec31602f8efbc925a9adb3e447e01a2a35de3ce158d1d85b3c57a7c4d53c463062215231fabc4bb32477673a8ce66a56d1a4c208234fb9b93ab145b602d2cdb1

  • C:\Users\Admin\AppData\Roaming\kingsoft\wps_download\0826566ea04e78d5fbd36e7758186961\seg\1

    Filesize

    30.0MB

    MD5

    74b6ade18a9adf15ab109d2d5890d1f8

    SHA1

    bf37a01a41068311424e93e495433c25475e2a74

    SHA256

    1b5d1be36840a81bbb6880d491d4eac5d7550da075bc7016a8e981cce855d17b

    SHA512

    93b4065844da858c2152b24a3a8a329577ddba9e79669560bdeacc1c768024152e6e01943a330b22c3fb250f8d71e3bdeb3aa30d0834a3cf2c9cbd484d287bdc

  • C:\Users\Admin\AppData\Roaming\kingsoft\wps_download\0826566ea04e78d5fbd36e7758186961\seg\2

    Filesize

    30.0MB

    MD5

    a90103bb159811940286636b4e2255a4

    SHA1

    5f77403629825c624807d9b1484fd51319c409ad

    SHA256

    446406f05bd37686e5ced4a4edda5f5c35c08b0d32c656b47422a5a7995683e9

    SHA512

    d5d087959139d3d4f4b60e0e82c0e406718abf94416ddb94980221cc8d00154ac4537b60a9ddba4ea6fc6ad156e1f4e5681ef2164dc97cb2f16a3ff9a377f712

  • C:\Users\Admin\AppData\Roaming\kingsoft\wps_download\0826566ea04e78d5fbd36e7758186961\seg\3

    Filesize

    30.0MB

    MD5

    5e4e084e437aa0abdb88816ef988a099

    SHA1

    4a2b8da6e01de3b32eea64c81dfcf27315c82443

    SHA256

    341473be63b0ca7073c84ee5080800481b3fa3dfad73f2452a4b3303d3f37a9a

    SHA512

    514c35c5d6d740ac1c57c3188f1edbc1175003073a7cc4688b36d2448f6323977b509a437d8ff70bd14fe032340f71670e2c229b379e1bac3528a42ccd7e1e95

  • C:\Users\Admin\AppData\Roaming\kingsoft\wps_download\0826566ea04e78d5fbd36e7758186961\seg\4

    Filesize

    30.0MB

    MD5

    360dfd1ca3fe6d670e87fad062007b36

    SHA1

    4b47a76644d47ac76e68a93c11b1d38482678d80

    SHA256

    70a47febfe714f97f7389c880ff5703e219627fc5003f7cd36ee55005a17b4d5

    SHA512

    dd9342c768d49fba6fc9dd86b17d34ab53c8e859bb6a7d8767cf7b847a6d8762e219482206cdbbccecc0b679792b95ccd08988d6d398675aabbbb0512b551eed

  • C:\Users\Admin\AppData\Roaming\kingsoft\wps_download\0826566ea04e78d5fbd36e7758186961\seg\5

    Filesize

    30.0MB

    MD5

    e542291a244ce2ff7ea31f4d5a7f6153

    SHA1

    d84d03dada23f5cf05c38bf720cc09219bcdfdde

    SHA256

    a25de7c690e2692a7b9813d5c276aefad819e1ae687ea1045526140ce473c36e

    SHA512

    95def2d941984fbf9c7321641c621e8513666890dbeea0f6c28715f19dab56a3543cbee215221bdb6a5b030806b443b5a0fc9a48598dc4476b9d5810082d2866

  • C:\Users\Admin\AppData\Roaming\kingsoft\wps_download\0826566ea04e78d5fbd36e7758186961\seg\6

    Filesize

    30.0MB

    MD5

    1f5c2ea79a007c138a43dbb0c10af889

    SHA1

    4c311dd42c1ad8657486fd76bff9cf208e02a7ce

    SHA256

    6a79711951d97687d564a94ec9baff0d3626798773d9ed17f2fa2401aea3bc84

    SHA512

    f1af2973a3904bc503f3455965ce65ffbbf5b1324aac32471137e6fe8f4a62ef2e6ead0615dc72b4aeec109c1baa81230591846f38c23713a3350180d3748363

  • C:\Users\Admin\AppData\Roaming\kingsoft\wps_download\0826566ea04e78d5fbd36e7758186961\seg\7

    Filesize

    15.9MB

    MD5

    81697a5a0813f0b56e1b1d3569e3ae20

    SHA1

    3936f8cae156ce4e8544a9e3c23eb0d35253262e

    SHA256

    b0d0fee9097568525465b102278bf314b231cc869e838f8a36d5929a7b9aed14

    SHA512

    b066dbbfd55825e114d8f38498dfa1621a75e0e6f0f8edf8ce06f6ea91fc96448d736f3c4addda0ceee4d7801fcefcfd4c97e347f1d1fdf86b654aba5f41b545

  • C:\Users\Admin\AppData\Roaming\kingsoft\wps_download\0826566ea04e78d5fbd36e7758186961\setup_12012.2019_11.1.0.15313.exe

    Filesize

    225.9MB

    MD5

    0826566ea04e78d5fbd36e7758186961

    SHA1

    25927988b37f7d6e62eac8c257a955daa0689551

    SHA256

    f2e7a8e00f46ce0c73b78c3826952eb29dda0d0851d2d77a501ada9310036523

    SHA512

    b8fc423812bd6207404052bde46d9bfbabc1f9f3a83c0190f1221fa30be97ba31091e613f5a30a97aeeec769a4e9fab5d9037c58ae59515a4d4cea7ff259ee8c

  • C:\Users\Admin\AppData\Roaming\kingsoft\wps_download\0826566ea04e78d5fbd36e7758186961\setup_12012.2019_11.1.0.15313.exe

    Filesize

    225.9MB

    MD5

    0826566ea04e78d5fbd36e7758186961

    SHA1

    25927988b37f7d6e62eac8c257a955daa0689551

    SHA256

    f2e7a8e00f46ce0c73b78c3826952eb29dda0d0851d2d77a501ada9310036523

    SHA512

    b8fc423812bd6207404052bde46d9bfbabc1f9f3a83c0190f1221fa30be97ba31091e613f5a30a97aeeec769a4e9fab5d9037c58ae59515a4d4cea7ff259ee8c

  • memory/208-0-0x0000000000400000-0x000000000050A000-memory.dmp

    Filesize

    1.0MB

  • memory/208-21-0x0000000000400000-0x000000000050A000-memory.dmp

    Filesize

    1.0MB

  • memory/3172-31-0x0000000010000000-0x0000000010199000-memory.dmp

    Filesize

    1.6MB

  • memory/4168-104-0x0000000000C70000-0x0000000001213000-memory.dmp

    Filesize

    5.6MB

  • memory/4168-205-0x0000000000C70000-0x0000000001213000-memory.dmp

    Filesize

    5.6MB

  • memory/4168-105-0x0000000000C70000-0x0000000001213000-memory.dmp

    Filesize

    5.6MB

  • memory/4168-110-0x0000000000C70000-0x0000000001213000-memory.dmp

    Filesize

    5.6MB

  • memory/4168-57-0x0000000000C70000-0x0000000001213000-memory.dmp

    Filesize

    5.6MB

  • memory/4168-37-0x0000000000C70000-0x0000000001213000-memory.dmp

    Filesize

    5.6MB

  • memory/4168-164-0x0000000000C70000-0x0000000001213000-memory.dmp

    Filesize

    5.6MB

  • memory/4168-109-0x0000000000C70000-0x0000000001213000-memory.dmp

    Filesize

    5.6MB

  • memory/4168-206-0x0000000000C70000-0x0000000001213000-memory.dmp

    Filesize

    5.6MB

  • memory/4168-207-0x0000000000C70000-0x0000000001213000-memory.dmp

    Filesize

    5.6MB

  • memory/4168-213-0x0000000000C70000-0x0000000001213000-memory.dmp

    Filesize

    5.6MB

  • memory/4168-214-0x0000000000C70000-0x0000000001213000-memory.dmp

    Filesize

    5.6MB

  • memory/4168-29-0x0000000000C70000-0x0000000001213000-memory.dmp

    Filesize

    5.6MB

  • memory/4168-142-0x0000000000C70000-0x0000000001213000-memory.dmp

    Filesize

    5.6MB

  • memory/4168-15-0x0000000000C70000-0x0000000001213000-memory.dmp

    Filesize

    5.6MB